Welcome to your 2365 624 Inspection & testing. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
A surge protective device installed as part of a circuit should necessitate
2.
When performing an initial verification on an installation, why do we not record "X" on the schedule of inspections?
3.
Test instruments should ideally be calibrated
4.
Which of the following are required to be entered on page 2 of an EIC in the Nature of the supply parameters
5.
An insulation resistance test should record results in
6.
Several test instruments are used on an installation, which of the following may give a reading of 89MΩ;?
7.
Before working on a circuit for maintenance reasons, you should
8.
A BS EN 61009 30mA RCBO tested at 1I should operate within
9.
During a continuity of Ring final conductors test, 10 Sockets give a R1+R2 reading of 0.68 Ω, but one socket gives a reading of 0.92 Ω. What might that indicate?
10.
The item shown in the photo serves what purpose?
11.
When performing an initial insulation resistance test on a central heating circuit, you should
12.
If a copper busbar is drawing a current of 300A, what will be the physical effect on the actual busbar?
13.
The earth lead of an earth fault loop impedance tester when recording the value of an earth electrode resistance should be connected to
14.
The main earthing conductor during an external loop impedance test should be
15.
What checks can be carried out to ensure an insulation resistance tester and its leads are working correctly
16.
The most serious result of basic contact with a live conductor would be
17.
An earth fault loop impedance test performed on a ring final circuit will record
18.
Test probes to GS38 should amongst other considerations
19.
The following tests are classed as live tests, what is the correct sequence according to GN3? 1. Operation of RCDs 2. Earth fault loop impedance 3. Other functional checks 4. Prospective Fault Current.
20.
The test designed to determine the correct connection of all the protective conductors within installation is known as the
21.
Which of the following is NOT a scale commonly found on an RCD tester?
22.
An RCD used for additional protection should operate, when tested at 1 times the rated operating current, within
23.
Which of the following would NOT be acceptable for performing an insulation resistance test?
24.
An intrinsically safe test instrument would be used in
25.
An RCD protected socket outlet to BS 7288 should operate when tested at 1I, within what time frame?
26.
Proof that a voltage device is working correctly is most safely achieved by
27.
If 3 conductors equal in length and with a resistance of 0.25Ω each are connected in series what is the total resistance?
28.
Once a point of isolation has been identified and the device switched to the "off" position, you should then
29.
Two resistors of value 1Ω and 2Ω are connected in parallel across 50v supply. What is the total current drawn in the circuit?
30.
Certain installations have additional regulations set in BS7671 which may include specialist knowledge. More information about special locations can be found in
31.
The maximum value of earth electrode resistance for a TT installation protected by a 300mA RCD is given by GN3 as
32.
The person resonsible for choosing the next inspection date on an EIC is
33.
What tests should be performed on an RCD that supplies portable equipment outside the equipotential zone
34.
An RCD test should indicate a reading in
35.
Which of the following is the most suitable source of isolating a supply before beginning maintenance or testing?